Demographics of Grimes County, Texas

Grimes County, Texas had 34,252 people on July 1, 2025, by the Census Bureau’s estimate: +4,809 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Grimes County, in four figures

34,252
Population: July 1, 2025, Vintage 2025 estimate.; +16.3%
Change since July 2020: +4,809 people.; 40.1 ±0.6
Median age: ACS 2020–⁠2024.; $69,803 ±$4,947
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Grimes County, Texas's population grew 16.3% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Grimes County, Texas's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

U.S. Census Bureau — Census Bureau population estimates — counties and Puerto Rico municipios, with components of change

About this chart

The figures

Grimes County, Texas's population grew 16.3% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Grimes County, Texas's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	29,443	100.0	100.0
2021	30,160	102.4	100.2
2022	31,163	105.8	100.7
2023	32,582	110.7	101.6
2024	33,343	113.2	102.5
2025	34,252	116.3	103.1

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Population of Grimes County, Texas on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	29,443	+139	−31	0	+184
2021	30,160	+717	+11	+3	+723
2022	31,163	+1,003	−35	+24	+956
2023	32,582	+1,419	+24	+72	+1,290
2024	33,343	+761	+37	+66	+656
2025	34,252	+909	+40	+6	+871

Age, 2020–2024

The median age is 40.1 ±0.6: for men 39.9 ±0.6 and for women 40.8 ±2.0. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Grimes County by age, ACS 2020–2024
Age	People	Share	Texas	United States
Under 5	1,656 ±106	5.3% ±0.3	6.4% ±<0.1	5.6% ±<0.1
5 to 17	5,371 ±475	17.1% ±1.5	18.6% ±0.1	16.3% ±<0.1
18 to 24	2,631 ±480	8.4% ±1.5	9.7% ±<0.1	9.1% ±<0.1
25 to 44	7,866 ±561	25.1% ±1.8	28.5% ±0.1	26.9% ±<0.1
45 to 64	7,991 ±516	25.5% ±1.6	23.3% ±<0.1	24.8% ±<0.1
65 and over	5,825 ±504	18.6% ±1.6	13.4% ±<0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $69,803 ±$4,947, and income per person $32,583 ±$5,443, in 2024 dollars. The median is $78,476 ±$263 in Texas and $80,734 ±$166 in the United States.

Households by income

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Households in Grimes County by income, ACS 2020–2024
Household income	Households	Share	Texas	United States
Under $25,000	1,662 ±383	16.2% ±3.7	14.6% ±0.1	14.6% ±<0.1
$25,000 to $49,999	1,856 ±345	18.1% ±3.3	17.3% ±0.1	16.7% ±<0.1
$50,000 to $74,999	2,024 ±428	19.7% ±4.1	16.1% ±0.1	15.5% ±<0.1
$75,000 to $99,999	1,330 ±254	13.0% ±2.4	12.8% ±0.1	12.6% ±<0.1
$100,000 to $149,999	1,860 ±390	18.1% ±3.7	17.3% ±0.1	17.5% ±<0.1
$150,000 to $199,999	864 ±234	8.4% ±2.3	9.5% ±0.1	9.6% ±<0.1
$200,000 or more	659 ±208	6.4% ±2.0	12.5% ±0.1	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Grimes County by age, ACS 2020–2024
Age	Below poverty	Rate	Texas	United States
All ages	4,044 ±894	14.6% ±3.2	13.8% ±0.1	12.5% ±0.1
Under 18	1,649 ±419	23.6% ±5.5	18.7% ±0.2	16.1% ±0.1
18 to 59	1,749 ±429	12.4% ±2.9	12.2% ±0.1	11.6% ±0.1
60 and over	646 ±187	9.7% ±2.7	12.0% ±0.1	11.0% ±<0.1

Housing, 2020–2024

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Housing in Grimes County, ACS 2020–2024
Measure	Grimes County	Texas	United States
Housing units	12,349 ±295	12,128,515 ±1,574	143,775,355 ±10,234
Occupied	83.0% ±3.1	90.6% ±0.1	89.9% ±0.1
Vacant	17.0% ±2.8	9.4% ±0.1	10.1% ±0.1
Owner occupied	79.9% ±2.3	62.6% ±0.3	65.2% ±0.3
Renter occupied	20.1% ±3.2	37.4% ±0.2	34.8% ±0.1
Median home value	$237,400 ±$16,183	$283,800 ±$738	$332,700 ±$236
Median gross rent	$1,069 ±$123	$1,403 ±$4	$1,413 ±$2
Median year built	1997 ±3	1992 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Grimes County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Texas	United States
Hispanic or Latino	7,998 ±0	25.5% ±<0.1	39.7% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	17,787 ±375	56.8% ±1.2	39.1% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	3,557 ±400	11.3% ±1.3	11.9% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	51 to 181	0.2% to 0.6%	5.5% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 244	0% to 0.8%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 71	0% to 0.2%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	115 to 837	0.4% to 2.7%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	1,262 ±353	4.0% ±1.1	3.1% ±<0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Grimes County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Texas	United States
Born in the state	23,433 ±738	74.8% ±2.4	58.3% ±0.1	57.3% ±<0.1
Born in another state	5,353 ±651	17.1% ±2.1	22.5% ±0.1	26.9% ±<0.1
Born a citizen outside the states	116 to 410	0.4% to 1.3%	1.7% ±<0.1	1.7% ±<0.1
Born abroad	2,291 ±482	7.3% ±1.5	17.6% ±0.1	14.1% ±<0.1
Naturalized citizens	1,078 ±369	3.4% ±1.2	7.4% ±<0.1	7.4% ±<0.1
Not citizens	1,213 ±333	3.9% ±1.1	10.2% ±0.1	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Grimes County among the counties of Texas

88th of 254 by population, July 2025. Every one is listed on the Texas page.

Counties of Texas near Grimes County in population, July 2025
County	July 2025	Change since 2020
Hopkins County	39,063	+6.1%
Jim Wells County	38,804	−0.2%
Brown County	38,711	+1.7%
Washington County	38,288	+7.0%
Matagorda County	36,463	+0.5%
Grimes County	34,252	+16.3%
Austin County	33,625	+11.6%
Jasper County	33,075	+0.5%
Bee County	32,515	+4.7%
Hale County	31,819	−2.0%
Titus County	31,563	+0.8%

Elsewhere on the site

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Data retrieved September 25, 2026